{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "753326939",
    "entityType": "User",
    "nonce": "0xb5aabe19b5e894d0702118f175d81d2c921eab0f94c9fecd730edf82cb225915",
    "signature": "0x89a859e7af62a0e4a001199d85b355c0975df3281edac71a5cdb04191e84733c556ed08725a5f5376276df0254050a35427abaf828ea0b494642441a2941f5671b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}